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Posted to issues@flink.apache.org by "Zhu Zhu (Jira)" <ji...@apache.org> on 2022/06/20 11:39:00 UTC

[jira] [Created] (FLINK-28134) Introduce SpeculativeExecutionVertex

Zhu Zhu created FLINK-28134:
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             Summary: Introduce SpeculativeExecutionVertex
                 Key: FLINK-28134
                 URL: https://issues.apache.org/jira/browse/FLINK-28134
             Project: Flink
          Issue Type: Sub-task
          Components: Runtime / Coordination
            Reporter: Zhu Zhu
             Fix For: 1.16.0


SpeculativeExecutionVertex will be used if speculative execution is enabled, as a replacement of ExecutionVertex to form an ExecutionGraph. The core difference is that a SpeculativeExecutionVertex can have multiple current executions running at the same time.



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